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authorArtemy Kovalyov <artemyko@mellanox.com>2017-08-17 14:52:09 +0200
committerDoug Ledford <dledford@redhat.com>2017-08-29 14:30:19 +0200
commiteb761894351d0372248f2636c213d7b822e8775f (patch)
treeb8c436d1f516d83e938f9a7e3bf7f308476baa24 /drivers/infiniband
parentIB/uverbs: Expose XRQ capabilities (diff)
downloadlinux-eb761894351d0372248f2636c213d7b822e8775f.tar.xz
linux-eb761894351d0372248f2636c213d7b822e8775f.zip
IB/mlx5: Fill XRQ capabilities
Provide driver specific values for XRQ capabilities. Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com> Reviewed-by: Yossi Itigin <yosefe@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c10
-rw-r--r--drivers/infiniband/hw/mlx5/mlx5_ib.h5
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 7ad585257fd3..ab3c562d5ba7 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -777,6 +777,16 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
1 << MLX5_CAP_GEN(dev->mdev, log_max_rq);
}
+ if (MLX5_CAP_GEN(mdev, tag_matching)) {
+ props->xrq_caps.max_rndv_hdr_size = MLX5_TM_MAX_RNDV_MSG_SIZE;
+ props->xrq_caps.max_num_tags =
+ (1 << MLX5_CAP_GEN(mdev, log_tag_matching_list_sz)) - 1;
+ props->xrq_caps.flags = IB_TM_CAP_RC;
+ props->xrq_caps.max_ops =
+ 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz);
+ props->xrq_caps.max_sge = MLX5_TM_MAX_SGE;
+ }
+
if (field_avail(typeof(resp), cqe_comp_caps, uhw->outlen)) {
resp.cqe_comp_caps.max_num =
MLX5_CAP_GEN(dev->mdev, cqe_compression) ?
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index b3380e8beacf..189e80cd6b2f 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -107,6 +107,11 @@ enum {
MLX5_CQE_VERSION_V1,
};
+enum {
+ MLX5_TM_MAX_RNDV_MSG_SIZE = 64,
+ MLX5_TM_MAX_SGE = 1,
+};
+
struct mlx5_ib_vma_private_data {
struct list_head list;
struct vm_area_struct *vma;